Taxon - Odkazy a literatura
Mikuláš R. (1992): Trace fossils from the Kosov Formation of the Bohemian Upper Ordovician, Sborník geologickych věd, Paleontologie, 32, 9-54 [jako Laevicyclus Quenstedt, 1879]
Mikuláš R. (1992): Trace fossils from the Kosov Formation of the Bohemian Upper Ordovician, Sborník geologickych věd, Paleontologie, 32, 9-54 [jako Laevicyclus Quenstedt, 1879]